:root {
  --cream: #f4eedf;
  --paper: #fbf8ef;
  --green: #183729;
  --green-2: #28513c;
  --soil: #a85632;
  --ink: #1d251f;
  --muted: #6d746b;
  --line: rgba(29, 37, 31, .22);
  --serif: "Noto Serif JP", "Yu Mincho", serif;
  --sans: "IBM Plex Sans JP", "Yu Gothic", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--cream); color: var(--ink); font-family: var(--sans); line-height: 1.9; }
img { display: block; max-width: 100%; }
a { color: inherit; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 99; padding: .6rem 1rem; background: white; }
.skip-link:focus { top: 1rem; }

.site-header { height: 84px; display: flex; align-items: center; justify-content: space-between; padding: 0 clamp(1.25rem, 5vw, 5rem); background: var(--paper); border-bottom: 1px solid var(--line); animation: quiet-appear .55s ease-out both; }
.brand { display: flex; align-items: center; gap: .7rem; text-decoration: none; font-size: .76rem; letter-spacing: .06em; }
.brand img { width: 52px; height: 34px; object-fit: contain; }
nav { display: flex; gap: clamp(1rem, 2.5vw, 2.5rem); font-size: .74rem; letter-spacing: .08em; }
nav a { text-decoration: none; border-bottom: 1px solid transparent; }
nav a:hover, nav a:focus-visible { border-color: currentColor; }

.hero { position: relative; min-height: calc(100svh - 84px); overflow: hidden; display: flex; align-items: flex-end; color: white; }
.hero-image, .hero-shade { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-image { object-fit: cover; object-position: 50% 54%; animation: hero-settle 1.15s cubic-bezier(.2,.75,.2,1) both; }
.hero-shade { background: linear-gradient(90deg, rgba(7, 26, 18, .79) 0%, rgba(8, 29, 19, .34) 52%, rgba(8, 29, 19, .05) 82%), linear-gradient(0deg, rgba(7, 21, 15, .44), transparent 45%); }
.hero-content { position: relative; z-index: 1; width: min(1200px, 100%); padding: clamp(3rem, 7vw, 7rem) clamp(1.25rem, 7vw, 7rem); }
@keyframes quiet-appear { from { opacity: 0; } to { opacity: 1; } }
@keyframes soft-arrive { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
@keyframes hero-settle { from { opacity: .76; transform: scale(1.025); } to { opacity: 1; transform: scale(1); } }
.hero-content { animation: soft-arrive .85s cubic-bezier(.2,.75,.2,1) .08s both; }
.eyebrow { margin: 0 0 1.2rem; color: var(--soil); font-weight: 600; font-size: .72rem; line-height: 1; letter-spacing: .24em; }
.eyebrow.light { color: #e9bd92; }
h1, h2, h3 { font-family: var(--serif); }
h1 { max-width: 900px; margin: 0; font-size: clamp(3rem, 6.8vw, 7.2rem); line-height: 1.16; letter-spacing: -.055em; text-shadow: 0 2px 22px rgba(0,0,0,.15); }
h1 em, .future h2 em { color: #f0c292; font-style: normal; }
.hero-intro { max-width: 590px; margin: 2rem 0 0; font-size: clamp(.92rem, 1.3vw, 1.08rem); line-height: 2; }
.hero-actions { display: flex; align-items: center; gap: 2rem; margin-top: 2.2rem; }
.button { display: inline-flex; min-height: 52px; align-items: center; justify-content: center; padding: .75rem 1.6rem; border: 1px solid currentColor; text-decoration: none; font-weight: 600; font-size: .82rem; letter-spacing: .08em; transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease; }
.button-light { background: var(--paper); color: var(--green); border-color: var(--paper); }
.button:hover, .button:focus-visible { box-shadow: 0 7px 18px rgba(0,0,0,.15); }
.text-link { display: inline-flex; align-items: center; gap: .65rem; margin-top: 1.5rem; padding-bottom: .2rem; border-bottom: 1px solid currentColor; color: var(--soil); text-decoration: none; font-weight: 600; font-size: .84rem; }
.light-link { margin-top: 0; color: white; }
.hero-caption { position: absolute; z-index: 1; right: 2rem; bottom: 1.5rem; margin: 0; font-size: .62rem; letter-spacing: .2em; writing-mode: vertical-rl; animation: quiet-appear .65s ease-out .4s both; }

.brand, nav a, .text-link {
  transition: transform .2s cubic-bezier(.2,.75,.2,1);
}

.brand, nav a, .button, .text-link { touch-action: manipulation; }

@media (hover: hover) {
  .brand:hover, nav a:hover, .text-link:hover { transform: translateY(-2px); }
  .button:hover { transform: translateY(-2px); }
}

.brand:active, nav a:active, .button:active, .text-link:active { transform: translateY(1px) scale(.99); }

.section { position: relative; display: grid; grid-template-columns: minmax(260px, .82fr) minmax(320px, 1.18fr); gap: clamp(3rem, 9vw, 10rem); padding: clamp(6rem, 11vw, 10rem) clamp(1.25rem, 9vw, 9rem); }
.section-index { position: absolute; right: 4vw; top: 2rem; color: rgba(24,55,41,.09); font-family: var(--serif); font-size: clamp(6rem, 16vw, 15rem); line-height: 1; }
.section-heading { position: relative; z-index: 1; }
.section-heading h2, .works-head h2, .future h2, .contact h2 { margin: 0; font-size: clamp(2.4rem, 4.5vw, 5rem); line-height: 1.35; letter-spacing: -.04em; }
.prose { position: relative; z-index: 1; max-width: 650px; }
.prose p { margin: 0 0 1.4rem; }
.lead-prose > p:first-child { font-size: 1.15rem; font-weight: 600; }
.pull-quote { margin-top: 3.8rem !important; padding: 2rem 0 0 2rem; border-top: 1px solid var(--soil); border-left: 5px solid var(--soil); color: var(--green); font-family: var(--serif); font-size: clamp(1.4rem, 2.4vw, 2.2rem); font-weight: 700; line-height: 1.65; }

.origin { display: grid; grid-template-columns: 1.05fr .95fr; background: var(--green); color: var(--cream); }
.origin-photo { min-height: 760px; position: relative; overflow: hidden; }
.origin-photo img { width: 100%; height: 100%; object-fit: cover; }
.origin-photo p { position: absolute; bottom: 1rem; left: 1.5rem; margin: 0; padding: .3rem .7rem; background: var(--cream); color: var(--green); font-size: .7rem; letter-spacing: .08em; }
.origin-copy { align-self: center; padding: clamp(4rem, 8vw, 8rem); }
.origin-copy h2 { margin: 0 0 2.5rem; font-size: clamp(2.2rem, 4vw, 4.3rem); line-height: 1.4; letter-spacing: -.04em; }
.origin-copy p:not(.eyebrow) { color: rgba(244,238,223,.84); }

.changes { background: var(--paper); }
.change-list { position: relative; z-index: 1; }
.change-list article { display: grid; grid-template-columns: 3rem 1fr; gap: 1.2rem; padding: 2rem 0; border-top: 1px solid var(--line); }
.change-list article:last-child { border-bottom: 1px solid var(--line); }
.change-list article > span { color: var(--soil); font-family: var(--serif); font-size: .8rem; }
.change-list h3 { margin: -.45rem 0 .5rem; font-size: clamp(1.35rem, 2vw, 1.8rem); }
.change-list p { margin: 0; color: #4f5a51; }

.works { padding: clamp(6rem, 11vw, 10rem) clamp(1.25rem, 7vw, 7rem); background: var(--green); color: var(--cream); }
.works-head { margin-bottom: 4rem; }
.featured-work { display: grid; grid-template-columns: 1.15fr .85fr; border-top: 1px solid rgba(244,238,223,.3); border-bottom: 1px solid rgba(244,238,223,.3); }
.featured-visual { min-height: 520px; position: relative; overflow: hidden; display: flex; align-items: center; justify-content: center; background: #214832; border-right: 1px solid rgba(244,238,223,.3); }
.featured-visual strong { position: relative; z-index: 1; font-family: var(--serif); font-size: clamp(4rem, 9vw, 9rem); line-height: .82; letter-spacing: -.08em; color: rgba(244,238,223,.93); }
.field-line { position: absolute; width: 1px; height: 150%; background: rgba(244,238,223,.22); transform: rotate(28deg); }
.line-a { left: 25%; }.line-b { left: 50%; }.line-c { left: 75%; }
.work-copy { align-self: center; padding: clamp(2.5rem, 6vw, 6rem); }
.work-no { margin: 0 0 1rem; color: #d4a276; font-size: .67rem; letter-spacing: .18em; }
.work-copy h3, .work-list h3 { margin: 0 0 1.2rem; font-size: clamp(1.65rem, 2.5vw, 2.6rem); line-height: 1.5; }
.work-copy p:not(.work-no), .work-list p:not(.work-no) { color: rgba(244,238,223,.77); }
.plain-tags { display: flex; flex-wrap: wrap; gap: 0; padding: 0; margin: 2rem 0 0; list-style: none; border-top: 1px solid rgba(244,238,223,.25); }
.plain-tags li { padding: .65rem 1rem; border-right: 1px solid rgba(244,238,223,.25); font-size: .73rem; }
.work-list { display: grid; grid-template-columns: repeat(2, 1fr); }
.work-list article { min-height: 390px; padding: clamp(2rem, 4vw, 4rem); border-bottom: 1px solid rgba(244,238,223,.25); }
.work-list article:nth-child(odd) { border-right: 1px solid rgba(244,238,223,.25); }
.work-list .text-link { color: #e9bd92; }

.future { display: grid; grid-template-columns: .55fr 1.45fr; gap: 3rem; padding: clamp(6rem, 12vw, 12rem) clamp(1.25rem, 9vw, 9rem); background: var(--paper); }
.future > .eyebrow { padding-top: 1.2rem; }
.future h2 { grid-column: 2; max-width: 1000px; }
.future h2 em { color: var(--soil); }
.future-copy { grid-column: 2; max-width: 680px; margin-left: auto; }
.notice { margin-top: 2.5rem; padding: 1.2rem 0 1.2rem 1.4rem; border-left: 4px solid var(--soil); font-size: .85rem; color: #5f665f; }

.contact { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(3rem, 8vw, 8rem); padding: clamp(5rem, 9vw, 9rem) clamp(1.25rem, 9vw, 9rem); background: #a45331; color: var(--paper); }
.contact-intro > p:not(.eyebrow,.mail-note) { max-width: 460px; }
.mail-note { max-width: 430px; margin-top: 3rem; font-size: .84rem; color: rgba(251,248,239,.8); }
.contact-form label { display: block; margin-bottom: 1.7rem; }
.contact-mail { grid-column: 2; margin-top: -3rem; }
.contact-mail .mail-note { margin-top: 0; }
.contact-form label span { display: block; margin-bottom: .45rem; font-size: .8rem; letter-spacing: .06em; }
.contact-form input, .contact-form textarea { width: 100%; border: 0; border-bottom: 1px solid rgba(251,248,239,.65); border-radius: 0; padding: .8rem .2rem; background: transparent; color: white; font: inherit; outline: none; }
.contact-form input:focus, .contact-form textarea:focus { border-bottom-width: 2px; border-color: white; }
.contact-form button { min-width: 150px; padding: .9rem 1.4rem; border: 1px solid var(--paper); background: var(--paper); color: var(--green); font: 600 .85rem var(--sans); cursor: pointer; }
.contact-form button:disabled { cursor: not-allowed; opacity: .52; }
.form-status { min-height: 1.6em; margin: 1rem 0 0; font-size: .82rem; }
.privacy-note { margin: 1.5rem 0 0; padding-top: 1.2rem; border-top: 1px solid rgba(251,248,239,.3); font-size: .68rem; line-height: 1.8; color: rgba(251,248,239,.68); }

footer { display: grid; grid-template-columns: 1fr 1fr auto; align-items: end; gap: 2rem; padding: 3rem clamp(1.25rem, 5vw, 5rem); background: #10251b; color: var(--cream); }
footer div { display: flex; align-items: baseline; gap: .8rem; }
footer strong { font-family: var(--serif); font-size: 1.7rem; }
footer span, footer p, footer small { font-size: .7rem; letter-spacing: .06em; }
footer p { margin: 0; text-align: center; }

@media (max-width: 850px) {
  .site-header { height: auto; min-height: 96px; flex-wrap: wrap; gap: .35rem; padding-top: .65rem; padding-bottom: .65rem; }
  .brand span { display: inline; }
  nav { width: 100%; justify-content: space-between; gap: .5rem; font-size: .65rem; letter-spacing: 0; }
  nav a { padding: .35rem 0; }
  .hero { min-height: calc(100svh - 96px); align-items: flex-start; }
  .hero-image { object-position: 58% center; }
  .hero-shade { background: linear-gradient(90deg, rgba(7,26,18,.77), rgba(7,26,18,.2)), linear-gradient(0deg, rgba(7,21,15,.55), transparent 50%); }
  .hero-content { padding-top: 4rem; padding-bottom: 4rem; }
  h1 { font-size: clamp(1.5rem, 8vw, 4rem); }
  .hero-intro { max-width: 92%; }
  .section, .origin, .featured-work, .future, .contact { grid-template-columns: 1fr; }
  .section { gap: 2.5rem; }
  .origin-photo { min-height: 58svh; }
  .origin-copy { padding: 4rem 1.25rem 5rem; }
  .featured-visual { min-height: 330px; border-right: 0; border-bottom: 1px solid rgba(244,238,223,.3); }
  .future h2, .future-copy { grid-column: 1; }
  .future { gap: 2rem; }
  .contact { gap: 4rem; }
  .contact-mail { grid-column: 1; margin-top: -1rem; }
  footer { grid-template-columns: 1fr; align-items: start; }
  footer p { text-align: left; }
}

@media (max-width: 580px) {
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 1rem; }
  .hero-caption { display: none; }
  .section-heading h2, .works-head h2, .future h2, .contact h2 { font-size: 2.25rem; }
  .pull-quote { padding-left: 1.2rem; }
  .work-list { grid-template-columns: 1fr; }
  .work-list article { min-height: auto; padding: 3rem 0; }
  .work-list article:nth-child(odd) { border-right: 0; }
  .works { padding-left: 1.25rem; padding-right: 1.25rem; }
  .work-copy { padding: 2.5rem 0; }
  .featured-visual strong { font-size: 4.3rem; }
  .plain-tags li { padding-left: .5rem; padding-right: .5rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation: none !important; }
  .brand:hover, .brand:active, nav a:hover, nav a:active,
  .button:hover, .button:active, .text-link:hover, .text-link:active { transform: none !important; }
}